Time and Distance Questions

FACTS  AND  FORMULAE  FOR  TIME  AND  DISTANCE

1.Speed = DistanceTime,  Time=DistanceSpeed, Distance= Speed×Time 

 

2. x km/hr = x×518 m/sec

 

3. x m/sec = x×185 km/hr

4. If the ratio of the speeds of A and B is a:b , then the ratio of the times taken by them to cover the same distance is or b : a

5. Suppose a man covers a certain distance at x km/ hr and an equal distance at y km/hr . Then, the average speed during the whole journey is 2xyx+ykm/hr.

Q:

How long will Ramesh take to run round a square park of edge 50 meters, if he runs at the rate of 18 km/hr?

A) 40 sec B) 20 sec
C) 80 sec D) 160 sec
 
Answer & Explanation Answer: A) 40 sec

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Q:

Ankit runs 324 metres every day for his fitness. According to his daily routine in how many days he covers 8.1 km.

A) 21 B) 23
C) 25 D) 27
 
Answer & Explanation Answer: C) 25

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Q:

If P travelled the first half of a journey at 40 kmph and the the remaining distance at 50 kmph, what is the average speed of his travel?

A) 44.44 kmph B) 53.33 kmph
C) 45 kmph D) 60 kmph
 
Answer & Explanation Answer: A) 44.44 kmph

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Q:

Rizvan walks at 15 km/hr and Ruchitha cycles at 20 km/hr towards each other. What was the distance between them when they started if they meet after 42 minutes?

A) 36.8 kms B) 30.6 kms
C) 24.5 kms D) 18.4 kms
 
Answer & Explanation Answer: C) 24.5 kms

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Q:

Two cars travel from city A to city B at a speed of 60 and 108 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B?

A) 270 km B) 324 km
C) 405 km D) 216 km
 
Answer & Explanation Answer: A) 270 km

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Q:

A missile travels at 1440 km/h. How many metres does it travel in one second?

A) 374 metres B) 385 metres
C) 394 metres D) 400 metres
 
Answer & Explanation Answer: D) 400 metres

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Q:

A car travels a certain distance at 32 km/h and comes back at 68 km/h. What is the average speed for total journey?

A) 50 km/hr B) 37.04 km/hr
C) 43.52 km/hr D) 56.48 km/hr
 
Answer & Explanation Answer: C) 43.52 km/hr

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Q:

Diameter of a car wheel is 21 cm. A car driver moving at the speed of 66 km/hr takes 36 seconds to reach a destination. How many revolutions will the wheel make during the journey?

 

 

A) 1800   B) 1500
C) 1200   D) 1000
 
Answer & Explanation Answer: D) 1000

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